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Finding the Fourth Proportional to 293,242.32, 439,901.55 and 82,885.32

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Solution

The fourth proportional to 293,242.32, 439,901.55 and 82,885.32 is: 124,338.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,242.32 : 439,901.55 = 82,885.32 : x
  2. Step 2: Convert to fraction form
    293,242.32/439,901.55 = 82,885.32/x
  3. Step 3: Cross multiply
    293,242.32x = 439,901.55 × 82,885.32
  4. Step 4: Simplify right side
    293,242.32x = 36,461,380,740.25
  5. Step 5: Solve for x
    x = 36,461,380,740.25/293,242.32
  6. Step 6: Final answer
    x = 124,338.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.